An audition is a short performance given by an actor, dancer, or musician so that a director or conductor can decide if they are good enough to be in a play, film, or orchestra.
V-ERG
试镜;让…试演（或试唱、试音）
If you audition or if someone auditions you, you do an audition.
例句
I was auditioning for the part of a jealous girlfriend...我试演一个喜欢吃醋的女友角色。They're auditioning for new members of the cast for 'Miss Saigon' today...他们今天参加《西贡小姐》剧组招募新演员的试镜。
英汉词典释义
vi.
试演；试唱；试音
Which part are you auditioning for?你试音什么角色?
vt.
对（某人）面试；让（某人）试演（或试唱、试音）
None of the actresses we have auditioned is suitable.我们试听的这些女演员都不合适。